Problems with ultrasonic level gauges
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I have an ultrasonic level gauge that is used in a rainwater lifting tank. On rainy days, the reading of the gauge fluctuates wildly. The gauge’s range is 4 meters; the distance from the edge of the tank is 50 centimeters on one side and 35 centimeters on the other. Everything works fine on sunny days. The gauge was sent back to the manufacturer for testing, and they said it was functioning normally – the problem lies with our installation. However, after checking some information, I found that a distance of more than 20 centimeters between the gauge and the container walls is sufficient. Please advise.
Then let them come to the site to know how to install it
Is the transmitter covered? Is the water resistance not very good?
The instrument itself comes with a plastic casing.
Ultrasonic devices are used for rainwater collection tanks, but they are delicate and not very effective; I don’t know what led to this choice； Isn’t the simplest immersion type good enough?
It’s possible that your level gauge is located in an outdoor area, and when it rains, raindrops can pass beneath the ultrasonic probe, resulting in an incorrect level reading.
Do you mean the casing of the transmitter body? Maybe try adding a rain cover as well; in addition to protecting the transmitter, it would be good if it could also cover the area below the probe
It’s probably caused by rainwater flowing along the radar to the location where the radar waves are emitted. One can cover that area with something on rainy days to see if the glitches still occur; if they do, a rainproof cover should be installed.
Add a rain cover. I’m not sure how heavy the rain is that you’re talking about. First, raindrops may affect sound waves; second, water droplets or mist on the transmitter or receiver can cause interference